Home / 6,940.92-10,412.06-2,557.80

Finding the Fourth Proportional to 6,940.92, 10,412.06 and 2,557.80

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Solution

The fourth proportional to 6,940.92, 10,412.06 and 2,557.80 is: 3,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.92 : 10,412.06 = 2,557.80 : x
  2. Step 2: Convert to fraction form
    6,940.92/10,412.06 = 2,557.80/x
  3. Step 3: Cross multiply
    6,940.92x = 10,412.06 × 2,557.80
  4. Step 4: Simplify right side
    6,940.92x = 26,631,967.07
  5. Step 5: Solve for x
    x = 26,631,967.07/6,940.92
  6. Step 6: Final answer
    x = 3,836.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.